Homemade dual band vertical antenna
WebMake sure both antenna elements are exactly the same. If need be, cut to make them equal. I had a PVC ½ to 1 1/4 adapter for the base to mount to my PVC mast. My … Web14 mei 2016 · Homemade Carolina Windom antenna This multiband wire antenna it is an off centre fed dipole, with 10 feet of vertical radiator, needs no tuner on 40m, 20m and 10m and works fine on all bands above 40m …
Homemade dual band vertical antenna
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WebMake sure both antenna elements are exactly the same. If need be, cut to make them equal. I had a PVC ½ to 1 1/4 adapter for the base to mount to my PVC mast. My vertical section is 24 inches ( 61 cm). Then a 90-degree elbow 1/2 inch PVC to turn horizontal for 18 inches (46 cm). Web15 nov. 2024 · Examples of multi-band antennas that I use with a similar radio (Icom 7100) are 1) a 160-6 Meter Off-Center Fed Dipole with a tuner that gets me on all the ham bands in that range with a tuner. It is more than 280 feet of wire with 50 feet of coax feed line. It is of course horizontally polarized.
Web8 jan. 2024 · HAM RADIO DUAL BAND 20m/40m Vertical Antenna You Can Build. Here's a very useful antenna idea from Peter Waters (G3OJV). In this video, Peter shows how to design, build, test, and use a dual-band 20meter/40meter Vertical Antenna. The antenna uses locally available materials and some items from your ham radio "junk box." Web7 apr. 2024 · The first thing you need to construct your own, quarter-wave dual-band antenna is a copper welding rod. You will need to cut this to two lengths: 3 x 19.5″ and 3 x 6.5″. Next, you will need necessary hardware like 4 SO-239 chassis-mount connectors, soldering iron, six electrical eyelets, four sets of nuts and washers.
WebDec 5, 2014 - Two DIY dual band antenna's I built for VHF/UHF. Dec 5, 2014 - Two DIY dual band antenna's I built for VHF/UHF. Pinterest. Today. Watch. Explore. When autocomplete results are available use up and … WebStep 5: Antenna Bracket Plate Drill 8 holes the to insert the u bolts in the metal plate. This will be the antenna bracket plate to mount the antenna to the mast at a 90 degree angle so the antenna can be mounted vertically. However you can mount it horizontally if you desire.
Web8 feb. 2014 · You would construct a counterpoise antenna wire 11.5 inch for VHF, 6.5 for UHF and about 19.5 inches for an OK performing dual band VHF/UHF radio. Normally with a handheld radio the counterpoise ...
WebTurn on your shortwave radio (mine is a Sony ICF-SW 7600G). Extend its telescopic antenna and place it near and parallel to one side of your homemade tuned loop shortwave antenna. tune-in a broadcast station … highlight parkgate dublinWeb8 jan. 2024 · In this video, Peter shows how to design, build, test, and use a dual-band 20meter/40meter Vertical Antenna. The antenna uses locally available materials and … small owls in albertaWebA travel, or a fixed vertical coax antenna (origin PA0FBK). Design This antenna is very easy to make from a piece of 50 ohm or 75 ohm coaxial cable, and can be either smooth (roll-up version) or rigid cable. The costs are practically zero if it is made from surpluses of RG-58 (50 ohm cable). highlight parkgate student accommodationWeb29 apr. 2024 · As for the metal roof: Not an issue for VHF / UHF. HOWEVER you do want to get the antenna up as high as possible. At a minimum, well above any part of the roof / building. On VHF / UHF height is king. What you are trying to achieve is "line of sight" as much as possible between you and the other stations you are working. small oxygen and acetylene kitWeb12 feb. 2024 · loop detail, and completed bare antenna Note that the loops are offset from the wire which makes the vertical section of the antenna. Then measure an additional 3/4 wavelength, and create the second … small owned businessWebDoug. Thanks for the early reply. The ARRL handbook chapter 33-30 shows a diagram for a 2 meter 5/8 wavelength vertical with a 10.5 turns on a 3/4" (19mm) former, with a tap about 4 turns down from the whip end. Whereas:-. 19mm former as in your case for = 5 turns. small oxygen concentrators on saleWebSolder the antenna wire into suitable cable eyes M4 or M5 and finish with a piece of heat shrink tubing. Secure the cable lug to the outer fixing holes of the trap using M4 x 10 mm stainless steel bolts. This is a suitable way for medium sized antennas. highlight part of a cell in excel